Pulley device

Active Publication Date: 2015-07-02
ZEDEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007]It is observed that a requirement exists to provide a

Problems solved by technology

This situation happens very rarely, but it is particularly stressful.
When these extraordinary situations arise, the person to be res

Method used

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Examples

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Example

[0017]The pulley device comprises first and second fixing means 1a and 1b advantageously comprising and / or formed by first and second pulleys. First pulley 1a is designed to be mechanically connected to a fixed point. Second pulley 1b is designed to be mechanically connected to the person to be rescued.

[0018]In a first situation, first pulley 1a is connected directly or indirectly to a fixed relay or point. Second pulley 1b is connected to the rope which is securing the person to be rescued. In this configuration, the person to be rescued is lifted by pulling on the rope which is securing him / her. This scenario can occur when the person has fallen into a crevasse or when a second climber is blocked.

[0019]In a second situation, first pulley 1a is connected directly or indirectly to a relay by means of the rope which initially secures the person to be rescued. Second pulley 1b is connected directly or indirectly to the person to be rescued. The person to be rescued is then supported b...

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PUM

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Abstract

The pulley device comprises first and second pulleys each provided with a set of sheaves. The two pulleys are designed to be respectively fixed to a fixed point and to a person to be rescued. A rope is fixed to one of the two pulleys and arranged in such a way that the first pulley moves towards the second pulley when a pull is exerted on the rope. An enclosure connects the first pulley to the second pulley and surrounds the path of the rope between the two pulleys. One end of the rope extends outwards from the enclosure to enable a pull to be exerted on the end of the rope.

Description

BACKGROUND OF THE INVENTION[0001]The invention relates to a pulley device.STATE OF THE ART [0002]In mountaineering, when a fellow climber has fallen into a crevasse, or in a more general manner when a person is stuck on a rope strand, it is important to be able to lift the person in distress in order to improve his / her situation.[0003]Pulley techniques are commonly used as they enable the force applied to be multiplied enabling a large weight to be lifted in an environment that is not always suitable for this.[0004]The pulley technique commonly uses one or more pulleys enabling a mechanical advantage to he had, and a self-locking device to facilitate the operation.[0005]This situation happens very rarely, but it is particularly stressful. This situation does in fact happen unexpectedly (falling into a crevasse, accident) and the person who has to provide assistance for the person in distress at the same time has to ensure his / her own safety and economise his / her energy in order to a...

Claims

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Application Information

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IPC IPC(8): B66D3/06B66D3/02
CPCB66D3/02B66D3/06A62B1/14B66D3/04B66D3/046
Inventor MAURICE, ALAINCHABOD, PIERRE-OLIVIERBRONNAZ, ALEXANDRE
Owner ZEDEL CORP
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